a written permission, he had to write another letter to the president of th

     a written permission, he had to write another letter to the president of th

题型:不详难度:来源:
     a written permission, he had to write another letter to the president of the university.
A.Not givingB.Not having been given
C.Having not givenD.Having not been given

答案
B
解析

试题分析:考查非谓语动词作状语。句意:因为没有给他一个书面的批准,他不得不另外写了一封信给大学校长。根据非谓语动词的否定,not应该置于非谓语之前,排除C和D,然后根据句意,give与he之间的关系为被动,确定答案为B.
举一反三
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A.having being consideredB.considered
C.are consideredD.considering

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A.to builtB.building
C.being builtD.having built

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——Can the project be finished as planned?
—— Sure, _________ it completed in time, we’ll work two more hours a day.
A.having gotB.to getC.gettingD.get

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He ran all the way to the station only _______________ the train had already left.
A.findB.to findC.findingD.to have found

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This problem is said _______ three times, but he still can’t understand it.
A.to have been explainingB.to have explained
C.having been explainedD.to have been explained

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